Hi, I have tried the auto cal but it does seem to rely on the connection to the OBD socket as the OBD socket symbol is flashing and the test will not proceed without it ?? Thanks +Regards
The symbol will flash because by default the OBD protocol is set to 'auto'. It flashes because it is trying to connect to the OBD but there is no connection. It will continue to flash even after autocal but autocal doesn't use the OBD connection. You can disable the flashing by setting OBD type to none. An OBD connection does not effect autocal!
It would probably be a very bad idea to connect the OBD on a P38 unless it is one of the very late models, and even on very late models it won't be much benefit and could do more harm than good. Even on very late models an OBD connection won't have any effect on autocal.
Anything eariler than the latest P38's are not fully OBD2 compatible and show really strange fuel trims like -100%... Connecting to the OBD on such a vehicle would really screw up the fueling!
Don't connect any OBD wiring, just run the autocal!
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